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The concentration of solutions can be ex...

The concentration of solutions can be expressed in number of ways such that Normality, Molarity, Molality, Mole fractions, Strength, `%` by weight, `%` by volume and `%` by strength. The molarity of ionic compound is usually expressed as formality beacuse we use formula weight of ionic compound. Addition of water to a solution changes all these terms, however increase in temperature does not change molality, mole fraction and `%` by weight terms.
The normality of `0.3N H_(3) BO_(3)` is:

A

`0.3 N`

B

`0.15 N`

C

`0.6 N`

D

`0.9 N`

Text Solution

Verified by Experts

The correct Answer is:
C
`H_(3)BO_(3)` is monobasic Lewis acid
`H_(3)BO_(3)+NaOHrarrNaB(OH)_(4)`
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The concentration of solutions can be expressed in number of ways such that Normality, Molarity, Molality, Mole fractions, Strength, % by weight, % by volume and % by strength. The molarity of ionic compound is usually expressed as formality beacuse we use formula weight of ionic compound. Addition of water to a solution changes all these terms, however increase in temperature does not change molality, mole fraction and % by weight terms. Volume of water required to convert 100 mL 0.5M NaOH solutions to 0.2M NaOH solution is:

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Concentration terms-W/W %,W/V %, Molarity,Molality,Mole Fraction ,PPb,PPm

Molarity of a solution changes with temperature but molality does not.

Problems based on concentration terms | Molarity|Molality|Specific gravity|Mole fraction

P BAHADUR-MOLE AND EQUIVALENT CONCEPT-Exercise 7 Comprehension based objective problems
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  8. A 6.90 M solution of KOH contains 30% by weight of KOH. Calculate the ...

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  9. Find the weight of H(2) SO(4) in 1200 mL of a solution of 0.2 N streng...

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